9972329 has 2 divisors, whose sum is σ = 9972330. Its totient is φ = 9972328.

The previous prime is 9972241. The next prime is 9972343. The reversal of 9972329 is 9232799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9120400 + 851929 = 3020^2 + 923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9972329 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9972379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986164 + 4986165.

It is an arithmetic number, because the mean of its divisors is an integer number (4986165).

Almost surely, 2^9972329 is an apocalyptic number.

It is an amenable number.

9972329 is a deficient number, since it is larger than the sum of its proper divisors (1).

9972329 is an equidigital number, since it uses as much as digits as its factorization.

9972329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 41.

The square root of 9972329 is about 3157.8994600842. The cubic root of 9972329 is about 215.2445675558.

It can be divided in two parts, 9972 and 329, that added together give a palindrome (10301).

The spelling of 9972329 in words is "nine million, nine hundred seventy-two thousand, three hundred twenty-nine".